1012210002120 has 64 divisors (see below), whose sum is σ = 3078227704320. Its totient is φ = 266225094144.

The previous prime is 1012210002107. The next prime is 1012210002157. The reversal of 1012210002120 is 212000122101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1012210002096 and 1012210002105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57765784 + ... + 57783303.

It is an arithmetic number, because the mean of its divisors is an integer number (48097307880).

Almost surely, 2^{1012210002120} is an apocalyptic number.

1012210002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012210002120 is an abundant number, since it is smaller than the sum of its proper divisors (2066017702200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012210002120 is a wasteful number, since it uses less digits than its factorization.

1012210002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115549174 (or 115549170 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012210002120 its reverse (212000122101), we get a palindrome (1224210124221).

The spelling of 1012210002120 in words is "one trillion, twelve billion, two hundred ten million, two thousand, one hundred twenty".